FVXX20 KWBC 181130
VOLCANIC ASH ADVISORY
ISSUED 1130 UTC 18 NOV 2000 BY THE WASHINGTON VAAC
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SOUFRIERE HILLS 00-291 WEST INDIES 1643N 6211W
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BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05)
SUMMIT HEIGHT 3000 FT (915M)
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INFORMATION SOURCE: GOES-8 VISIBLE.. INFRARED AND MULTISPECTRAL
IMAGERY. UPPER AIR DATA FROM GUADELOUPE.
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ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH PLUME.
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DETAILS OF ASH CLOUD: IN THE FIRST VISIBLE IMAGERY OF THE DAY A
FAINT LOW LEVEL PLUME OF LIGHT ASH AND GASES CAN BE SEEN. THE PLUME
EXTENDS WEST (260 DEGREES) AROUND 63 KM (34 NMI) TO POINT 1636N
6245W AND WAS AROUND 10 KM (5 NMI) WIDE. BASED ON SPEED AND
DIRECTION OF MOVEMENT THE HEIGHT IS ESTIMATED BELOW FL070.
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TRAJECTORY: ANY ASH BELOW FL070 WILL MOVE WEST AROUND 20 KNOTS.
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OUTLOOK: SEE SIGMETS.
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THE NEXT ADVISORY WILL BE ISSUED BY 18/1730 UTC.
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REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN
ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT
INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWER CASE EXCEPT /VAAC/)
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PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
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NNNN"Attached Graphic Map Depicting Ash"
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